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UPSC Combined Geo-Scientist

Chemist

  • 2 objective papers
  • 120 questions each
  • 2 h per paper
  • 100 + 300 marks

Prelims Paper II covers chemistry.

UPSC Combined Geo-Scientist, Prelims · 2022 · Paper II, Chemistry · Q22 of 120

Geo-Scientist Prelims 2022 Chemistry Q22: Which one of the following represents the correct bond order among…

QuestionChemical bonding / MO theory

Which one of the following represents the correct bond order among the given nitrogen species?

  1. (a) N₂⁻ < N₂²⁻ < N₂
  2. (b) N₂⁻ < N₂ < N₂²⁻
  3. (c) N₂²⁻ < N₂⁻ < N₂
  4. (d) N₂ < N₂²⁻ < N₂⁻

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